Commit f0df2d6b authored by Cyrill Gorcunov's avatar Cyrill Gorcunov Committed by Andi Kleen

acpi: add checking for NULL early param

The early_param handling function could recieve NULL pointer as argument
in case if user didn't enter parameter value.  So we have to be ready for
a such situation and do check for NULL pointer if needed.
Signed-off-by: default avatarCyrill Gorcunov <gorcunov@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
parent 1371c893
...@@ -300,6 +300,8 @@ int __init acpi_table_init(void) ...@@ -300,6 +300,8 @@ int __init acpi_table_init(void)
static int __init acpi_parse_apic_instance(char *str) static int __init acpi_parse_apic_instance(char *str)
{ {
if (!str)
return -EINVAL;
acpi_apic_instance = simple_strtoul(str, NULL, 0); acpi_apic_instance = simple_strtoul(str, NULL, 0);
......
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